Messages in this thread | | | Subject | Re: [PATCH v2 00/12] x86/sev: KEXEC/KDUMP support for SEV-ES guests | From | Dave Hansen <> | Date | Mon, 13 Sep 2021 09:02:38 -0700 |
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On 9/13/21 8:55 AM, Joerg Roedel wrote: > This does not work under SEV-ES, because the hypervisor has no access > to the vCPU registers and can't make modifications to them. So an > SEV-ES guest needs to reset the vCPU itself and park it using the > AP-reset-hold protocol. Upon wakeup the guest needs to jump to > real-mode and to the reset-vector configured in the AP-Jump-Table.
How does this end up looking to an end user that tries to kexec() from a an SEV-ES kernel? Does it just hang?
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